Cross Section of Thorax at T4-5 Disc Level Anatomy
Ascending aorta, Right
pulmonary artery, Superior
vena cava, Pectoralis major
muscle, Right lung, Intercostal muscles, Axillary fossa, Tendon of long head of biceps brachii
muscle, Coracobrachialis muscle, Deltoid muscle, Lateral head of triceps brachii muscle, Long head
of triceps brachii muscle, Scapula, Rhomboid
major muscle, Right main
bronchus,
Azygos vein, Esophagus, T4–5 intervertebral disc, Manubriosternal junction, Internal thoracic artery and vein 2nd costal cartilage, Pulmonary trunk, Left pulmonary artery, Left lung, Pectoralis minor muscle, Ribs, Long head of biceps brachii muscle, Latissimus dorsi tendon, Body of humerus, Teres
major muscle, Serratus anterior muscle, Subscapularis muscle, Left main bronchus, Descending thoracic aorta, Accessory hemiazygos vein, Trapezius muscle, Thoracic duct, Inferior tracheobronchial lymph nodes, Infraspinatus muscle.
